WO2000029886A1 - Coupleur bidirectionnel pour fibres optiques utilisant un resonateur - Google Patents

Coupleur bidirectionnel pour fibres optiques utilisant un resonateur Download PDF

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Publication number
WO2000029886A1
WO2000029886A1 PCT/US1999/026877 US9926877W WO0029886A1 WO 2000029886 A1 WO2000029886 A1 WO 2000029886A1 US 9926877 W US9926877 W US 9926877W WO 0029886 A1 WO0029886 A1 WO 0029886A1
Authority
WO
WIPO (PCT)
Prior art keywords
resonator
optical
tuning
fiber
power
Prior art date
Application number
PCT/US1999/026877
Other languages
English (en)
Other versions
WO2000029886A9 (fr
Inventor
Kerry Vahala
Ming Cai
Guido Hunziker
Original Assignee
California Institute Of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by California Institute Of Technology filed Critical California Institute Of Technology
Priority to AU14779/00A priority Critical patent/AU1477900A/en
Priority to CA002348271A priority patent/CA2348271C/fr
Priority to JP2000582835A priority patent/JP2003501674A/ja
Priority to EP99972311A priority patent/EP1153326A4/fr
Publication of WO2000029886A1 publication Critical patent/WO2000029886A1/fr
Publication of WO2000029886A9 publication Critical patent/WO2000029886A9/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
    • G02B6/29335—Evanescent coupling to a resonator cavity, i.e. between a waveguide mode and a resonant mode of the cavity
    • G02B6/29338—Loop resonators
    • G02B6/29343—Cascade of loop resonators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/011—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  in optical waveguides, not otherwise provided for in this subclass
    • G02F1/0115—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  in optical waveguides, not otherwise provided for in this subclass in optical fibres
    • G02F1/0118—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  in optical waveguides, not otherwise provided for in this subclass in optical fibres by controlling the evanescent coupling of light from a fibre into an active, e.g. electro-optic, overlay
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
    • G02B6/29383—Adding and dropping

Definitions

  • WDM wavelength division multiplexing
  • optical wavelengths also called optical channels
  • add/drop filters The general principle of these devices is illustrated in
  • Figure 1 illustrates the properties of the
  • a designated wavelength, here ⁇ is intended to be dropped.
  • the dropped wavelength ⁇ 3 will be output through port #3 106.
  • the wavelength to be added, ⁇ 3 is
  • ⁇ ⁇ - ⁇ 4 is output through #2 output port 210.
  • waveguides are prepared on a wafer using lithography and
  • the disk is designed to sustain optical modes
  • the positions of the waveguides permit coupling of optical power between the waveguides and the disk.
  • optical power can be
  • waveguides and other parts on a chip the waveguides and other parts on a chip
  • the disk resonator are etched or otherwise defined into the
  • optical-element lends itself well to mass production, it has
  • optical Q is a figure of merit often cited in optical
  • resonators of the present invention can exceed 1 million.
  • resonators can provide more flexibility in design, and can
  • the present system teaches a special kind of resonator-
  • One application is to wavelength-division-multiplexed
  • This application defines an optical device, that has an
  • optical fiber which has a first thinned portion, formed such
  • the resonator can be spherical,
  • a second optical fiber having a second thinned portion
  • Figures 1 & 2 respectively show a standard drop and add filter
  • Figures 3 & 4 respectively show a drop and add filter function according to an embodiment
  • Figure 5 shows a high magnification photograph of the device
  • Figure 6 shows an experimental frequency response of the device in Figure 5 ;
  • Figure 7 shows a tunable embodiment using multiple resonators
  • the device should have a high drop extinction. This
  • the device should have very high rejection of non-
  • the specific channels to be added are the specific channels to be added.
  • the device should also be easy and inexpensive to couple
  • the add/drop device could,
  • optical pass bandwidth of the add/drop device must be a constant
  • a resonator e.g., a
  • microsphere or disk shaped resonator is coupled to two, single-mode optical fibers which have been prepared with
  • the resonator can be disk shaped, spherical
  • the tapered fibers are spheroidal (e.g., a squashed sphere) .
  • taper is preferably thin enough so that the light wave may be
  • a resonator of appropriate type is then placed between parallel, closely-spaced tapered regions of the two optical fibers.
  • Optical power (possibly carrying information) that is propagating in one of the optical fibers couples weakly from the corresponding fiber optic taper to the resonator.
  • the frequency of the optical power is "resonant" with a mode of the optical resonator there will be, in general, a significant increase in the power transferred to the resonator and, in turn, to the second fiber taper.
  • Figure 3 and Figure 4 show the system configured to be
  • microsphere resonator 300 is placed between two
  • a first fiber 500 which carries the original optical
  • Each of the fibers is tapered at the respective neck
  • Figure 5 shows a high magnification photograph of this
  • fibers is 3-5 microns in diameter at the location of the
  • optical energy can be any optical energy
  • Figure 6 shows the transmission spectra through port #2
  • the preferred resonator is a silica microsphere.
  • the spheres can be distorted - for example prolate or oblate.
  • a disk-shaped resonator for example, could be used.
  • resonators might be simpler in some ways to fabricate and
  • Disks could also be
  • optical Q value between 2-10 million.
  • One variation is to intentionally degrade the Q factor of
  • taper to resonator to taper coupling is measured to be
  • a control mechanism can be used to maintain the
  • the system can also be made tunable.
  • One technique tunes
  • Another technique uses a coating on the sphere or disk,
  • Possible coatings include but are not limited to
  • the resonators are made from a material other than
  • Semiconductor spheres or disks exhibit a
  • a substrate to improve its strength and durability.
  • a substrate could be prepared in which alignment
  • Each microsphere is close to or touching a respective fiber
  • Each resonator can have a different resonant
  • This embodiment provides a
  • the Figure 7 system could also be formed on a substrate
  • the system described above may have transmission
  • narrow-band optical filters This could include, for example,

Abstract

L'invention concerne un résonateur (300), par exemple, une microsphère ou un disque de silice, que l'on intercale entre deux câbles à fibres optiques (500, 502) pour former un filtre d'insertion/extraction. Le résonateur (300) est résonnant avec la fréquence à insérer ou à extraire. Ainsi, seul ce canal particulier est inséré ou extrait, selon les besoins.
PCT/US1999/026877 1998-11-13 1999-11-12 Coupleur bidirectionnel pour fibres optiques utilisant un resonateur WO2000029886A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU14779/00A AU1477900A (en) 1998-11-13 1999-11-12 Resonator fiber bidirectional coupler
CA002348271A CA2348271C (fr) 1998-11-13 1999-11-12 Coupleur bidirectionnel pour fibres optiques utilisant un resonateur
JP2000582835A JP2003501674A (ja) 1998-11-13 1999-11-12 共振器と光ファイバーの両方向性カプラ
EP99972311A EP1153326A4 (fr) 1998-11-13 1999-11-12 Coupleur bidirectionnel pour fibres optiques utilisant un resonateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10835898P 1998-11-13 1998-11-13
US60/108,358 1998-11-13

Publications (2)

Publication Number Publication Date
WO2000029886A1 true WO2000029886A1 (fr) 2000-05-25
WO2000029886A9 WO2000029886A9 (fr) 2001-11-01

Family

ID=22321745

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/026877 WO2000029886A1 (fr) 1998-11-13 1999-11-12 Coupleur bidirectionnel pour fibres optiques utilisant un resonateur

Country Status (6)

Country Link
US (1) US6580851B1 (fr)
EP (1) EP1153326A4 (fr)
JP (2) JP2003501674A (fr)
AU (1) AU1477900A (fr)
CA (1) CA2348271C (fr)
WO (1) WO2000029886A1 (fr)

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WO2002006878A1 (fr) * 2000-07-14 2002-01-24 Proximion Fiber Optics Ab Coupleur optique presentant une nouvelle geometrie
WO2003001260A1 (fr) * 2001-06-20 2003-01-03 Arryx, Inc. Commutateurs et routeurs optiques et filtres optiques
WO2003003624A2 (fr) * 2001-06-29 2003-01-09 Hrl Laboratories, Llc Appareil et procede de conversion d'un systeme optique a un systeme sans fil
WO2004006396A2 (fr) * 2002-07-03 2004-01-15 Lambda Crossing Ltd. Dispositif de controle integre
US6718083B2 (en) * 2001-06-20 2004-04-06 Arryx, Inc. Optical switch and router
US6800574B2 (en) 2001-10-24 2004-10-05 3M Innovative Properties Company Glass beads and uses thereof
WO2005054918A1 (fr) * 2003-12-01 2005-06-16 Cernolux Ab Dispositif selectif en longueurs d'onde
US7409159B2 (en) 2001-06-29 2008-08-05 Hrl Laboratories, Llc Wireless wavelength division multiplexed system
US7466883B2 (en) 2002-06-20 2008-12-16 Arryx, Inc. Optical switches and routers and optical filters

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002006878A1 (fr) * 2000-07-14 2002-01-24 Proximion Fiber Optics Ab Coupleur optique presentant une nouvelle geometrie
EP1793249A2 (fr) * 2001-06-20 2007-06-06 Arryx, Inc. Commutateurs et routeurs optiques et filters optiques
EP1793249A3 (fr) * 2001-06-20 2007-08-29 Arryx, Inc. Commutateurs et routeurs optiques et filtres optiques
WO2003001260A1 (fr) * 2001-06-20 2003-01-03 Arryx, Inc. Commutateurs et routeurs optiques et filtres optiques
US6718083B2 (en) * 2001-06-20 2004-04-06 Arryx, Inc. Optical switch and router
EP1410080A1 (fr) * 2001-06-20 2004-04-21 Arryx, Inc. Commutateurs et routeurs optiques et filtres optiques
EP1410080A4 (fr) * 2001-06-20 2006-08-23 Arryx Inc Commutateurs et routeurs optiques et filtres optiques
WO2003003624A2 (fr) * 2001-06-29 2003-01-09 Hrl Laboratories, Llc Appareil et procede de conversion d'un systeme optique a un systeme sans fil
WO2003003624A3 (fr) * 2001-06-29 2003-07-03 Hrl Lab Llc Appareil et procede de conversion d'un systeme optique a un systeme sans fil
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Publication number Publication date
CA2348271A1 (fr) 2000-05-25
US6580851B1 (en) 2003-06-17
WO2000029886A9 (fr) 2001-11-01
EP1153326A1 (fr) 2001-11-14
CA2348271C (fr) 2006-01-31
EP1153326A4 (fr) 2005-08-10
JP2003501674A (ja) 2003-01-14
AU1477900A (en) 2000-06-05
JP2005031703A (ja) 2005-02-03

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